21271300

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5749}}^1$

素因数の和:5800

約数の個数: 36

約数和(自身を含む): 47414500

約数和(自身を除く): 26143200

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 5749, 11498, 22996, 28745, 57490, 114980, 143725, 212713, 287450, 425426, 574900, 850852, 1063565, 2127130, 4254260, 5317825, 10635650, 21271300]

約数ペア:

[(1, 21271300), (2, 10635650), (4, 5317825), (5, 4254260), (10, 2127130), (20, 1063565), (25, 850852), (37, 574900), (50, 425426), (74, 287450), (100, 212713), (148, 143725), (185, 114980), (370, 57490), (740, 28745), (925, 22996), (1850, 11498), (3700, 5749)]